The GSES Professional Advantage Course on Solar Photovoltaic (PV) System Design, Installation & Maintenance provides detailed technical information and step-by-step methodology for designing, installation, testing, commissioning and maintenance of on-grid and off-grid solar PV systems. The course covers the fundamentals of solar PV systems, the different components required and the need to match them, and how to size a system. It also includes methods for conducting site surveys of potential installations, system installation, testing, commissioning, maintenance and the economics of solar PV systems. The course is designed around relevant international standards relating to grid-connected and off-grid solar PV systems.